57121233073 has 2 divisors, whose sum is σ = 57121233074. Its totient is φ = 57121233072.

The previous prime is 57121233017. The next prime is 57121233083. The reversal of 57121233073 is 37033212175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55642676769 + 1478556304 = 235887^2 + 38452^2 .

It is a cyclic number.

It is not a de Polignac number, because 57121233073 - 2⁹ = 57121232561 is a prime.

It is not a weakly prime, because it can be changed into another prime (57121233083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28560616536 + 28560616537.

It is an arithmetic number, because the mean of its divisors is an integer number (28560616537).

Almost surely, 2^57121233073 is an apocalyptic number.

It is an amenable number.

57121233073 is a deficient number, since it is larger than the sum of its proper divisors (1).

57121233073 is an equidigital number, since it uses as much as digits as its factorization.

57121233073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 57121233073 in words is "fifty-seven billion, one hundred twenty-one million, two hundred thirty-three thousand, seventy-three".